Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and FY3D Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/12/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 10/13/2025 11:31:22 0.11, 61.43 -0.84, 57.26 476.51 80
2 10/14/2025 11:09:51 0.16, 61.44 0.23, 61.83 43.83 80
3 10/16/2025 23:15:17 -0.13, 61.41 -0.08, 61.23 20.95 80
4 10/17/2025 22:53:47 -0.18, 61.42 -1.15, 65.80 498.38 80
5 10/19/2025 11:18:11 0.09, 61.49 -0.13, 60.61 101.00 80
6 10/20/2025 10:56:41 0.14, 61.49 1.00, 65.16 419.35 80
7 10/21/2025 23:20:57 -0.05, 61.45 0.27, 60.01 164.48 80
8 10/22/2025 22:59:26 -0.10, 61.47 -0.81, 64.58 354.45 80
9 10/24/2025 11:23:49 0.00, 61.56 -0.51, 59.40 247.15 80
10 10/25/2025 11:02:19 0.05, 61.57 0.57, 63.96 272.42 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 10/12/2025
SNOs_Map_GOES-15_FY3D_20251013.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 10/12/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D